Earthworm - II Blood Circulation, Respiratory and Nervous System Chart Manufacturer,Supplier and Exporter in India

Product Code : EL-ZC-9338
Jlab Export is a leading Earthworm - II Blood Circulation, Respiratory and Nervous System Chart Manufacturer,and suppliers in India

Earthworm - II Blood Circulation, Respiratory and Nervous System Chart (code EL-ZC-9338) is the second 58 x 90 cm chart in the earthworm set, on how the earthworm circulates blood, exchanges gases and coordinates its body, for class 11 biology and college zoology. It is printed in full colour on art paper, laminated on both sides and fitted with plastic rollers, in English only. JLab (Jain Laboratory Instruments Pvt Ltd, Ambala, India) supplies it to schools, colleges and dealers.

Get a quote: use the Add To Cart enquiry button below, or send your quantity and destination through the contact page.

Specifications

What Is the Earthworm Circulation and Nervous System Chart Used For?

The earthworm has a closed blood vascular system: blood stays inside vessels, capillaries and hearts instead of flowing freely through the body cavity. A dorsal vessel above the gut carries blood forwards, a ventral vessel below it carries blood backwards, and several pairs of muscular hearts in the front segments link the two. The blood is red because haemoglobin is dissolved in the plasma rather than held in red cells, and its blood cells are phagocytic. There are no lungs or gills: oxygen dissolves in the film of moisture on the skin and passes into the blood in capillaries just beneath it, which is why an earthworm must keep its skin moist and soon dies if it dries out.

The nervous system is built on a ventral nerve cord running the length of the body, with a ganglion in each segment. Near the front, the cord divides and passes round the pharynx to join the cerebral ganglia above it, forming a nerve ring that integrates what the senses report and commands the muscles. Earthworms have no eyes, but receptor cells in the skin respond to light and touch, and chemoreceptors work as taste receptors. Teach this chart after Earthworm - I so students see how a segmented body is supplied segment by segment; a simple test of a live worm’s response to light and touch works well alongside it. The laminated surface wipes clean. The listing does not describe the artwork, so ask JLab for a larger image to check which structures are labelled.

What to Specify When Ordering

• Quantity — at least 10 units; each chart is supplied on its own.
• Rest of the set — Earthworm - I (external morphology and reproduction) and Earthworm - III (digestion, skin and excretion) complete the type study.
• Alternative format — the polyart Earthworm chart if you prefer a single larger sheet.
• Live-worm activity — hand lenses and G.I. sheet dissecting trays can be added to the enquiry.

Frequently Asked Questions

What does the Earthworm - II chart cover?
As its title says, the earthworm’s blood circulation, respiration and nervous system. The listing does not describe the panels in detail; the product photograph shows the chart, and JLab can send a larger image before you order.

What are the chart’s size and finish?
58 x 90 cm (about 22.8 x 35.4 inches), full-colour print on art paper, thick plastic-film lamination on both sides and plastic rollers. All text is in English.

Is the earthworm’s circulatory system open or closed?
Closed. The blood is always inside the hearts, vessels and capillaries, and the pumping keeps it moving in one direction.

How does an earthworm breathe without lungs?
Through its skin. Oxygen dissolves in the moist body surface and diffuses into the blood in the capillaries below, while carbon dioxide leaves the same way.

Why is earthworm blood red?
It contains haemoglobin, but dissolved in the plasma rather than packed into red blood cells as in humans.

What is the minimum order and dispatch time?
Ten units, sold individually. Orders usually ship within 7–10 working days after a visual check of every chart; add transit time for exports.

Who supplies this chart?
JLab — Jain Laboratory Instruments Pvt Ltd, Ambala, Haryana, India — supplies the Earthworm - II chart and quotes for it directly.

Supplier

JLab is the trading name of Jain Laboratory Instruments Pvt Ltd, which was incorporated in 2017 and works from Hargolal Road, Ambala, Haryana, equipping science laboratories. Along with the equipment it produces, it supplies printed teaching charts such as this earthworm set to schools, colleges, dealers and importers, checks each chart by eye before dispatch and takes repeat orders directly. JLab exports worldwide, with buyers in every region — Belize in Central America and the Caribbean, the USA in North America, Colombia in South America, Libya in North Africa and Lesotho in Southern Africa, for example. Tender information is available on the JLab lab tenders page.

Earthworm Set and Related Items

• Earthworm - I External Morphology and Reproduction Chart — the first chart of the set.
• Earthworm - III Digestion, Skin and Excretion Chart — the third chart of the set.
• Earthworm — a laminated polyart earthworm chart for schools and laboratories.
• Human Blood Chart — human blood, for comparing with the earthworm’s, from the same series.
• Hand Lens — a bi-convex glass lens in a metal rim for close observation.
• Dissecting Trays — G.I. sheet trays, with or without wax.

Browse the full Zoology Chart series or all Charts.

Request a Quote

Ask for a quotation using the Add To Cart enquiry button on this page, or send the number of charts (minimum 10 units), the other earthworm titles or aids you need and your delivery city and country through the contact page.

Last updated: 3 October 2026